3 memoranda issued by the US Geological Survey Surveyor Television Investigations, comprising: "Mosaicking Procedures for Surveyor Television Experiment," December 1964, [iii], 12 pp; "Evaluation of the Sphere Stereometer," June 1965, [iii], 16 pp; "Surveyor Television Experiment Field Test Two Stellar Measurement Capabilities," March 1966, [iv], 18 pp. All printed recto only, stapled at upper left corner. Light toning to first pages of second two items.Provenance: Eugene M. Shoemaker (ownership inscriptions to first pages of first two items).

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